Toyota Celica Supra 1986 Service And Repair Manual page 200

10-2
IGNITION SYSTEM -
Precautions, Troubleshootini!
I
I
PRECAUTIONS
r.J~
r..n..,..,.,
1. Do not k"P the 19nitlon owitch ON for more than 11
m inutes If the engine w ill not stan.
~
~~(
2. Ao some tachometers are not compa,.,._ w ith thitlgnltloo
~
ovstem. we recommended that you confirm t he oompoll.
bility of your unit before using.
:J
Service
3.
NEVER 811ow
the Ignition coil t erminals to touch ground •
!GO . . I
It
could reeult In damege to the Igniter and/or Ignition col
4 .
Oo
not diaconnect the bettary when the engine'- run ...
5 .
Make ....
that the
Igniter'- propowly grounded to
the
l*r.
e.
When a tachometer It connected to the system.
co-
the tachometer positive terminal to the service c...,._,.,,
TROUBLESHOOTING
-
PocalblecauM
"-edy
Page
Engine w ill not start/ lgn~tion problems
Perform spatk test IG·4
H1rd to lllrt
• Ignition c«HI
Inspect coil
IG·7
(crenk• okt
• Ignitor
• Olatt•butor
lnapect d istributor
IG-7
Spark pluga feulty lnapect plugs
IG·6
Rough
id~e
or stab
Spark plugt loulty
lnii>8Cl plugs IG·5
Incorrect lgnitlon timing Reset timing
IG·t O
Ignit ion problems Perform spark t est IG·4
• lgn~ttOn COil Inspect coil
IG·7
• lgn•ttr
• Disuibutor
Inspect d iS1ributor
IG·7
Engine hesitetet/ Spark plugs faulty lnapoct plugs IG-4
Poor acceleration
lncorrocc Ignition timing
Reset timing
IG· IO
Muffler explosion tncortect Ignition timing
ReNt timing
IG· tO
(after fire) all the time
Engine backfi res Incorrect ignition timing Reset dmiAQ
IG· I O
POOf' ga.soline mile1ge Spork plugs f1<11tv Inspect plugs
IG·6
Incorrect Ignition
timing
Reset timing
10·10
Engine
OYifheltS
Incorrect Ignit ion timing Reset timing
IG· IO